Home / 25,456.76-35,130.72-14,126.48

Finding the Fourth Proportional to 25,456.76, 35,130.72 and 14,126.48

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Solution

The fourth proportional to 25,456.76, 35,130.72 and 14,126.48 is: 19,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.76 : 35,130.72 = 14,126.48 : x
  2. Step 2: Convert to fraction form
    25,456.76/35,130.72 = 14,126.48/x
  3. Step 3: Cross multiply
    25,456.76x = 35,130.72 × 14,126.48
  4. Step 4: Simplify right side
    25,456.76x = 496,273,413.47
  5. Step 5: Solve for x
    x = 496,273,413.47/25,456.76
  6. Step 6: Final answer
    x = 19,494.76

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.